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Pulse Counter

Reversible Counter (with Calculation Function)

MODEL 472B

  • ■ High speed counter, suitable for 120 kHz.
  • ■ Usage of 15.2 mm and 7.6 mm LCD with two colors – red and green.
  • ■ Additional out with anlog and BCD output possible.
  • ■ Display scaling is widely applicable in term of pulse coefficiency and pulse division ratio.
  • ■ Available with 10 kHz.(472A

Operation manual

Standard Specifications

Model Designation

472B - - - - -

①Power Supply

Code Power Source Voltage
A AC 100 to 240 V
9 DC 24 V
C DC 110 V 

②Sensor power

Code Specifications
2 DC 5 V ± 5% 160 mA
3 DC 12 V ± 5% 100 mA

③Comparator output(AL3, AL4)

Code Output
X null
1 with Photo MOS Relay

④Analog Output

Code Specifications
X null
04 DC 0 to 5 V / More than 1 kΩ
05 DC 0 to 10 V / More than 1 kΩ
09 DC 1 to 5 V / More than 1 kΩ
29 DC 4 to 20 mA / Less than 510 Ω

⑤BCD output

Code Specifications
X null
DN Open collector output (NPN)

General Specifications

Input signal Line receiver 2 phases (A, B)
Intended connection: Differential line driver (equivalent to AM26LS31).
Duty ratio: 50% for both phases.
Counting system Phase differential: Multiplication by 1, by 2, by 4, selectable by setting
Counting speed 120 kHz
Display range -999999 to 999999
Pulse coefficient (m) 1×10-6 to 9999
Pulse division ratio (n) 1/1, 1/10, 1/100, 1/1000, 1/10000
Display value (d) (d)Display value = (p)Number of pulse × (m)Pulse coefficient × (n)Pulse division ratio
Display Accuracy ±0 digit at pulse coefficient 1 and pulse division ratio 1
Display Count display, red or green, character height 15.2 mm
Over range in red, character height 7.6 mm
With zero suppress function
Display Cycle Approx. 100 ms
Decimal Point 0, 0.0, 0.00, 0.000
Key protection Function which makes inable to change of setting contents.
Initialization function Returns to factory shipment setting.
Control input Pause / Latch Pause – Counting is prohibited
Latch – Counting is continued, display is held.
Reset L level input or no voltage contact input
Sensor power DC 5 V / 160 mA, DC 12 V / 100 mA
Comparator output Option AL3 and AL4 photo MOS relay, Contact capacity AC / DC 150 V 80 mA
Analog Output Option 0 to 5 V, 0 to 10 V, 1 to 5 V, 4 to 20 mA
BCD output Option 6 digits open collector output,
Output capacity: DC 30 V, 10 mA
with 2 m cable.
Compensation for blackout The integrated value is memorized in non-volatile memory and retained. No count is made during the blackout. The data retaining duration is about 10 years.
Power Supply AC 100 to 240 V, DC 24 V, DC 110 V
Power Consumption AC 100 V … Approx. 12 VA
AC 200 V … Approx. 17 VA
DC 24 V … Approx. 270 mA
DC 110 V … Approx. 60 mA
Operating Temperature 0 to 50°C
External Dimensions 96(W) × 48(H) × 133.3(D) mm
Weight Approx. 300 g
Protection degree Front panel operating section IP65, Rear case IP20, Terminal block section IP00
Mounting Method Exclusive brackets

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